Pen for a printer



FIG. 1 is a front left perspective view of a first pen.

FIG. 2 is a front view of the first pen of FIG. 1.

FIG. 3 is a rear view of the first pen of FIG. 1.

FIG. 4 is a right side view of the first pen of FIG. 1.

FIG. 5 is left side view of the first pen of FIG. 1.

FIG. 6 is a top view of the first pen of FIG. 1.

FIG. 7 is a bottom view of the first pen of FIG. 1.

FIG. 8 is a rear right perspective view of the first pen of FIG. 1.

FIG. 9 is a front left perspective view of a second pen having ahousing, electrodes and a printhead.

FIG. 10 is a front view of the second pen of FIG. 9.

FIG. 11 is a rear view of the second pen of FIG. 9.

FIG. 12 is a right side view of the second pen of FIG. 9.

FIG. 13 is left side view of the second pen of FIG. 9.

FIG. 14 is a top view of the second pen of FIG. 9.

FIG. 15 is a bottom view of the second pen of FIG. 9; and,

FIG. 16 is a rear right perspective view of the second pen of FIG. 9.

The features shown in broken lines form no part of the claimed design.

CLAIM The ornamental design for a “pen for a printer,” as shown anddescribed.